US Bridges

Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R

Good

Adams County, Colorado · 0.1 MI W. of I25+I76 JCT · Structure no. E-17-OI

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
1 main span
Daily traffic
37,500
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R is a prestressed concrete stringer/multi-beam or girder carrying Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R in Adams County, Colorado. It was built in 1991, so it is 34 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 37,500 vehicles a day, roughly 13% of them trucks, projected to reach 54,000 by 2040. The structure is 142 ft (43.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp to I 25 Nbnd
CrossesRamp to I 25 Sbnd R
Location0.1 MI W. of I25+I76 JCT
RouteInterstate 76A
Coordinates39.81569, -104.98529
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating31.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length142 ft (43.3 m)
Longest span139 ft (42.4 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2020)
Projected traffic54,000 by 2040
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R carry?

About 37,500 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R?

The structure is 142 ft (43.3 m) long with a longest span of 139 ft (42.4 m) and a deck 34 ft wide.

Who owns Ramp to I 25 Nbnd over Ramp to I 25 Sbnd R?

It is owned by the State Highway Agency.